/*
 * Copyright 2011 Henry Coles and Stefan Penndorf
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 * http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, 
 * software distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License. 
 */
package com.example;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

/**
 * 
 * 
 * @author Stefan Penndorf <stefan.penndorf@gmail.com>
 */
public class KeepAliveThread {

  private final ExecutorService ex;

  public KeepAliveThread() {
    final int numberOfThreads = 5;
    this.ex = Executors.newFixedThreadPool(numberOfThreads);
  }

  public Future<String> run() {
    return this.ex.submit(new Callable<String>() {
      public String call() throws Exception {
        return System.getProperty("foobar");
      }
    });
  }

}
